* {
    margin: 0; /*消除浏览器默认样式*/
    padding: 0px;
    box-sizing: border-box; 
}

.login-container {
    height: calc(100% - 50px);
    width: 100%;
    display: flex; /*进入弹性布局*/
    justify-content: center; /*水平方向居中*/
    align-items: center; /*垂直方向居中*/
}

.login-dialog{
    width: 400px;
    height: 400px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
}

h3{
    text-align: center; /*直接让标题居中*/
    margin-top: 20px;
    margin-bottom: 10px;
    font-size: 25px;
}

.row {
    display: flex; /*进入弹性布局，好让元素在水平和垂直方向都居中*/
    justify-content: center;
    align-items: center;
    height: 80px;
}

.row span{
    font-size: 20px; /*设置字体大小*/
    width: 100px
}

.row input {
    height: 40px;
    width: 250px;
    border-radius: 9px;
    font-size: 20px; /*设置输入时的字体大小*/
    border: none; /*去掉边框*/
}

.row button{
    background-color: rgb(2, 159, 2);
    width: 150px;
    height: 40px;
    border-radius: 9px;
    font-size: 20px;
}